| 01/01/1940 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1941 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1942 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 06/22/1942 | Drafted in the 1942 first-year player draft by the Yokohama Kingfishers. (Round 3, Pick 6, 18th overall pick). |
| 07/28/1942 | Signed a minor league contract with the Yokohama Kingfishers organization with a signing bonus of $600. |
| 10/13/1942 | Named the #8 prospect in the JBA |
| 01/01/1943 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 04/05/1943 | Named the #3 prospect in the JBA |
| 05/01/1943 | Wins the JBA Rookie of the Month Award. |
| 05/17/1943 | Wins the JBA Player of the Week Award. |
| 06/01/1943 | Wins the JBA Rookie of the Month Award. |
| 07/01/1943 | Wins the JBA Rookie of the Month Award. |
| 07/25/1943 | Pitches a 6-hit shutout against the Nagoya Owls with 7 strikeouts and 2 BB allowed! |
| 07/26/1943 | Wins the JBA Player of the Week Award. |
| 08/01/1943 | Wins the JBA Pitcher of the Month Award. |
| 08/01/1943 | Wins the JBA Rookie of the Month Award. |
| 09/29/1943 | Pitches a 2-hit shutout against the Nagoya Owls with 3 strikeouts and 1 BB allowed! |
| 10/01/1943 | Wins the JBA Pitcher of the Month Award. |
| 10/01/1943 | Wins the JBA Rookie of the Month Award. |
| 01/01/1944 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1945 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1946 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 05/13/1946 | Retired from professional baseball. |